N80.42 Endometriosis of rectovaginal septum with involvement of vagina

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Code annotations containing back-references to N80.42

Back-references to N80

• Type 1 Excludes: N85 Other noninflammatory disorders of uterus, except cervix ("endometriosis (N80.-)")

Diagnosis Index entries for N80.42

• Endometriosis › rectovaginal septum › with involvement of vagina
• Endometriosis › vagina

Nearby codes

• N80.392 Deep endometriosis of the pelvic peritoneum, other specified sites
• N80.399 Endometriosis of the pelvic peritoneum, other specified sites, unspecified depth
• N80.4 Endometriosis of rectovaginal septum and vagina
• N80.40 Endometriosis of rectovaginal septum, unspecified involvement of vagina
• N80.41 Endometriosis of rectovaginal septum without involvement of vagina
• N80.42 Endometriosis of rectovaginal septum with involvement of vagina (this code)
• N80.5 Endometriosis of intestine
• N80.50 Endometriosis of intestine, unspecified
• N80.51 Endometriosis of the rectum
• N80.511 Superficial endometriosis of the rectum
• N80.512 Deep endometriosis of the rectum